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Date: Mon, 12 Nov 2007 13:35:50 -0800 (PST)
From: "Michael McCandless (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Commented: (LUCENE-743) IndexReader.reopen()
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    [ https://issues.apache.org/jira/browse/LUCENE-743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12541955 ] 

Michael McCandless commented on LUCENE-743:
-------------------------------------------

I think the cause of the intermittant failure in the test is a missing
try/finally in doReopen to properly close/decRef everything on
exception.

Because of lockless commits, a commit could be in-process while you
are re-opening, in which case you could hit an IOexception and you
must therefore decRef those norms you had incRef'd (and, close eg the
newly opened FieldsReader).

> IndexReader.reopen()
> --------------------
>
>                 Key: LUCENE-743
>                 URL: https://issues.apache.org/jira/browse/LUCENE-743
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>            Reporter: Otis Gospodnetic
>            Assignee: Michael Busch
>            Priority: Minor
>             Fix For: 2.3
>
>         Attachments: IndexReaderUtils.java, lucene-743-take2.patch, lucene-743-take3.patch, lucene-743-take4.patch, lucene-743-take5.patch, lucene-743-take6.patch, lucene-743-take7.patch, lucene-743.patch, lucene-743.patch, lucene-743.patch, MyMultiReader.java, MySegmentReader.java, varient-no-isCloneSupported.BROKEN.patch
>
>
> This is Robert Engels' implementation of IndexReader.reopen() functionality, as a set of 3 new classes (this was easier for him to implement, but should probably be folded into the core, if this looks good).

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